4.8

CVE-2024-50562: fortinet fortios Insufficient Session Expiration

CVSS: 4.8v3.1MediumModified
Published 10-06-2025Last modified 15-10-2026

Vulnerability summary

CVE-2024-50562 is a medium (CVSS 4.8) Insufficient Session Expiration vulnerability in fortinet fortios. EPSS estimates a 1.16% chance of exploitation in the next 30 days, higher than 66.6% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
29/100
0100
Medium · default modelHow is this calculated?
CVSS score
4.8/10
010
Medium · v3.1 (NVD)
EPSS score
1.16%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1exploit-database

Timeline

  1. 10-06-2025
    PublishedVulnerability first disclosed.
  2. 15-10-2026
    Last modifiedVulnerability information updated.

Description

An Insufficient Session Expiration vulnerability [CWE-613] in FortiOS SSL-VPN version 7.6.0, version 7.4.6 and below, version 7.2.10 and below, 7.0 all versions, 6.4 all versions may allow an attacker in possession of a cookie used to log in the SSL-VPN portal to log in again, although the session has expired or was logged out.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

1.16%

Chance of exploitation in the next 30 days

Percentile

67%

Versus all other CVEs

30-day change

+0.01 pp

From 1.15% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.16%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • exploit-databaseremotemultipleUnverified

    FortiOS SSL-VPN 7.4.4 - Insufficient Session Expiration & Cookie Reuse

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Fortinet4 products
  • fortios≥ 6.4.0, < 7.2.11 | ≥ 7.4.0, < 7.4.8 | 7.6.0 | 7.4.6 | ≥ 7.4.0, ≤ 7.4.4 | ≥ 7.2.0, ≤ 7.2.10 | ≥ 7.0.0, ≤ 7.0.17 | ≥ 6.4.0, ≤ 6.4.16
  • fortipam≥ 1.4.0, ≤ 1.4.1 | 1.3.0 | 1.2.0 | ≥ 1.1.0, ≤ 1.1.2 | ≥ 1.0.0, ≤ 1.0.3
  • fortiproxy7.6.0 | ≥ 7.4.0, ≤ 7.4.5 | ≥ 7.2.0, ≤ 7.2.14 | ≥ 7.0.0, ≤ 7.0.20 | ≥ 2.0.0, ≤ 2.0.14
  • fortisase24.4.60

1 vendor · 4 products

References

2 links